public class TestDemo {
    public static void main(String[] args) {
        Student student = new Student();
        student.setUserName("张三");
        student.setPassword("14sfsffs");
        System.out.println(student.getUserName());
        System.out.println(student.getUserName());
        System.out.println(student.getPassword());
        System.out.println(student.getPassword());
        System.out.println("=================");
        System.out.println("-----------------");
    }
}
